4 Calculate the 95% confidence interval for the difference imus-mu2) of two population means given the following sampling results. Population 1: sample size 10. sample means 21.43 sample standard decation 4.38 Population 2: sample sizes 17, sample means 3.73. sample standard deviation 1.17 Your answer: 17.26 mutimu2-18.13 0 17.00-mut.mu2-18.40 01738-mut-mu2-18.02 01304-mul-mu2-21.46 0 11.45 mut-mu2+23.95 0 11.79 mut-muz 23.60 01242-mut-mu2-22.77 0 14.50 mut-2-20.90 01464-mut-mu2-20.76 O 13.30 mut-mu2 22.09 Clear